Availability
Flotek Engines & Components
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5058
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Bowl Blended, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5058BB
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Assembled, 0.900 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5059
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Bowl Blended, Assembled, 0.900 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5059BB
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Assembled, 0.950 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5060
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Bowl Blended, Assembled, 0.950 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5060BB
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
VALVE SPRINGS
Part Number: FLK-PAC1224
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
EXHAUST VALVE EACH
Part Number: FLK-P5207
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
INTAKE VALVE EACH
Part Number: FLK-P5208
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
VALVE SPRING KIT
Part Number: FLK-PSK583-1-10
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Cylinder Head, 190cc, Assembled, Aluminum, Natural, Ford, Small Block Windsor, Each
Part Number: FLK-2190HRCNC505
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
FLOTEK 185cc Small Block Ford Thumper Cylinder Heads 185-505FT
Estimated Ship Date: Monday 2/16/2026
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